Commit e91b2b11 authored by Juergen Gross's avatar Juergen Gross
Browse files

xen: dont fiddle with event channel masking in suspend/resume



Instead of fiddling with masking the event channels during suspend
and resume handling let do the irq subsystem do its job. It will do
the mask and unmask operations as needed.
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Tested-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent 03993730
......@@ -343,14 +343,6 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
info->cpu = cpu;
}
static void xen_evtchn_mask_all(void)
{
unsigned int evtchn;
for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
mask_evtchn(evtchn);
}
/**
* notify_remote_via_irq - send event to remote end of event channel via irq
* @irq: irq of event channel to send event to
......@@ -1573,7 +1565,6 @@ void xen_irq_resume(void)
struct irq_info *info;
/* New event-channel space is not 'live' yet. */
xen_evtchn_mask_all();
xen_evtchn_resume();
/* No IRQ <-> event-channel mappings. */
......@@ -1681,6 +1672,7 @@ module_param(fifo_events, bool, 0);
void __init xen_init_IRQ(void)
{
int ret = -EINVAL;
unsigned int evtchn;
if (fifo_events)
ret = xen_evtchn_fifo_init();
......@@ -1692,7 +1684,8 @@ void __init xen_init_IRQ(void)
BUG_ON(!evtchn_to_irq);
/* No event channels are 'live' right now. */
xen_evtchn_mask_all();
for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++)
mask_evtchn(evtchn);
pirq_needs_eoi = pirq_needs_eoi_flag;
......
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